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Just plain white is best... Posted by REM in Seattle [Email] (#4) [Profile/Gallery] (more from REM in Seattle) on Mon, 02 Oct 2000 15:13:00 In Reply to: Best replacement H4 headlight bulb? (55/60W) for a 97 9, philliprs, Mon, 02 Oct 2000 14:15:19 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I have used the 'blue' lamps (Sylvania Cool-Blue), high intensity white (PIAA Super-White), and I have used the 'selective yellow' (Philips All-Weather and Hella All-Season). For my money, I believe that the plain white halogen bulbs or halogen with Zenon gas give the best results.
I found the 'blue' bulbs to be Ok in dry weather, but to have a lot of glare in wet weather. The PIAA were over priced and gave no real benefit beyond regular white bulbs, in fact the headlight beam had a more pronounced 'hot spot' in the center that was annoying to me. The 'selective yellow' headlight bulbs were an advantage in wet weather by producing less glare, but the selective yellow coating also eliminates some of the light therefore they are less bright. I DO use 'selective yellow' Philips All-Weather bulbs in my foglights and they work great.
For some interesting reading look in the Tech section at Daniel Stern Lighting.
_______________________________________ REM in Seattle Current: 2013 Volvo XC60 R-Design, Rebel Blue, 3.0L 6-cyl turbo, Automatic 2024 MINI Cooper S Convertible, 2.0L 4-cyl turbo, 6-speed manual Former: 2005 Saab 9-3 Aero Convertible, Steel Gray metallic, 2.0L 4-cyl turbo, 5-speed 1998 Saab 900SET 5-door, Silver, 2.0L 4-cyl turbo, Automatic 1991 Alfa Romeo Spider convertible, Alfa Red, 2.0L 4-cyl, 5-speed 1984 Saab 900T 3-door, Red, 2.0L 4-cyl turbo, 5-speed
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